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Finding the Fourth Proportional to 23,361.40, 35,047.68 and 7,779.16

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Solution

The fourth proportional to 23,361.40, 35,047.68 and 7,779.16 is: 11,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,361.40 : 35,047.68 = 7,779.16 : x
  2. Step 2: Convert to fraction form
    23,361.40/35,047.68 = 7,779.16/x
  3. Step 3: Cross multiply
    23,361.40x = 35,047.68 × 7,779.16
  4. Step 4: Simplify right side
    23,361.40x = 272,641,510.35
  5. Step 5: Solve for x
    x = 272,641,510.35/23,361.40
  6. Step 6: Final answer
    x = 11,670.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.